Pb-Graphene-Pb josephson junctions: Characterization in magnetic field

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2012-06-14

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Abstract

We fabricate superconductor-graphene-superconductor Josephson junctions with superconducting regions made of lead (Pb). The critical current through graphene may be modulated by the external magnetic field; the resulting Fraunhofer interference pattern shows several periods of oscillations, suggesting that the junction is uniform. Deviations from the perfect Fraunhofer pattern are observed, and their cause is explained by a simulation that takes into account the sample design. © 2002-2011 IEEE.

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10.1109/TASC.2012.2198472

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Borzenets, IV, UC Coskun, H Mebrahtu and G Finkelstein (2012). Pb-Graphene-Pb josephson junctions: Characterization in magnetic field. IEEE Transactions on Applied Superconductivity, 22(5). pp. 1800104–1800104. 10.1109/TASC.2012.2198472 Retrieved from https://hdl.handle.net/10161/19624.

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Scholars@Duke

Finkelstein

Gleb Finkelstein

Professor of Physics

Gleb Finkelstein is an experimentalist interested in physics of quantum nanostructures, such as Josephson junctions and quantum dots made of carbon nanotubes, graphene, and topological materials. These objects reveal a variety of interesting electronic properties that may form a basis for future quantum devices.


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